Fixed typo in docstring

diff --git a/cipherbreak.py b/cipherbreak.py
index 342f5ed1fe6f6f593313e86751721aebe724adc3..7c609ab5c16aa1e56d0529172e4733daf33b81ec 100644 (file)
--- a/cipherbreak.py
+++ b/cipherbreak.py
@@ -680,7 +680,7 @@ scytale_break = scytale_break_mp
 
 def railfence_break(message, max_key_length=20,
                      fitness=Pletters, chunksize=500):
-    """Breaks a hill cipher using a matrix of given rank and letter frequencies
+    """Breaks a railfence cipher using a matrix of given rank and letter frequencies
 
     
     """